ClassID:

218297

H02P8/32 - CPC Classification

Classification description:

Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step Reducing overshoot or oscillation, e.g. damping

Recent Application in this class:
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SYSTEMS AND METHODS FOR JITTER MINIMIZATION BY STEPPER MOTOR CONTROL

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STEPPER MOTOR CONTROL METHOD AND APPARATUS WITH REDUCED VIBRATION DURING ACCELERATION AND DECELERATION

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CONSTRAINED OPTIMIZATION OF WIRELESS LINKS IN NETWORKS WITH COMPETING OBJECTIVES

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DRIVER DEVICE, WATER TREATMENT APPARATUS, AND MOTOR DRIVING DEVICE

#7
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Method and circuit arrangement for controlling a stepper motor

#8
20240171098
2024-05-23

MOTOR CONTROL DEVICE, MOTOR CONTROL METHOD, AND A NON-TRANSITORY STORAGE MEDIUM STORING A MOTOR CONTROL PROGRAM FOR A MOTOR CONTROL DEVICE

#9
20230006578
2023-01-05

Constrained optimization of wireless links in networks with competing objectives

#10
20220416699
2022-12-29

Method and circuit assembly for the resonance damping of stepper motors

#11
20220399839
2022-12-15

AC machine controlled via amplitude modulation

#12
20210031894
2021-02-04

Trolling motor steering assembly with stall prevention

#13
20200310354
2020-10-01

Electronic timepiece and motor control circuit

#14
20200300376
2020-09-24

Valve actuating drive

#15
20200228036
2020-07-16

Method and circuit assembly for the resonance damping of stepper motors

#16
20200083827
2020-03-12

Motor current control device and motor current control method

#17
20200052626
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Sensorless homing system for stepper motor system

#18
20190123667
2019-04-25

Power seat system for sensing motor reverse rotation and method thereof

#19
20180167006
2018-06-14

Motor control device and image forming apparatus

#20
20180129227
2018-05-10

Method for adaptively driving a stepper motor, and corresponding device

#21
20180109213
2018-04-19

Microstepper motor control circuit PWM output coupled to H-bridge gates

#22
20170038736
2017-02-09

Motor drive device and electronic timepiece

#23
20160352272
2016-12-01

Motor controller and method for controlling motor

#24
20160218649
2016-07-28

Motor current controller and method for controlling motor current

#25
20160094169
2016-03-31

Stepping-motor control device and control method

#26
20160006382
2016-01-07

Stepper motor control and fire detection system

#27
20150015177
2015-01-15

Dynamic mixed-mode current decay apparatus and methods

#28
20140341554
2014-11-20

Drive controller, image pickup apparatus, drive control method, and storage medium

#29
20140239873
2014-08-28

Pulsed-motor driving apparatus and pulsed-motor driving method

#30
20140231684
2014-08-21

Stepping motor and motorized valve using it

#31
20130188256
2013-07-25

Rotary drive mechanism and light dispersion system having the same

#32
20130119917
2013-05-16

Apparatus and method for controlling stepping motor

#33
20130027791
2013-01-31

Motor drive apparatus and optical apparatus

#34
20130009588
2013-01-10

DRIVE CONTROLLING APPARATUS AND DRIVE CONTROLLING METHOD FOR STEPPING MOTOR, DRIVE CONTROLLING SYSTEM, AND OPTICAL APPARATUS

#35
20110298412
2011-12-08

Actuation system with step motor

#36
20110119939
2011-05-26

Method for operating a display device driven by at least one stepping motor

#37
20100079102
2010-04-01

Apparatus and method for minimizing undesirable stepper motor rotor motions

#38
20090322275
2009-12-31

Method and apparatus for improving the position accuracy of a servo motor

#39
20090256515
2009-10-15

Method of detecting state of synchronization loss in stepping motor

#40
20090206788
2009-08-20

Motor driver supplying drive current while adjusting decay rate thereof

#41
20080129232
2008-06-05

Method and apparatus for controlling stopping of vibration generating stepping motor

#42
20080116835
2008-05-22

Model-based active electronic damping for stepper motors

#43
20080100249
2008-05-01

Method and apparatus for eliminating stall and cogging in multi-phase stepping motors

#44
20070200527
2007-08-30

Stepping motor driving device

#45
20070189815
2007-08-16

Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation

#46
20070138990
2007-06-21

Multiple motor position control

#47
20070057595
2007-03-15

System for controlling an electrostatic stepper motor

#48
20070001641
2007-01-04

Multiple motor position control

#49
20060132080
2006-06-22

Position command and pulse timing command optimization for step motors, using a position sensor

#50
20060108965
2006-05-25

Method to prevent midrange resonance during operation of a multi-phase step motor

#51
20060049791
2006-03-09

Method and circuit arrangement for operating stepper motors

#52
20050218857
2005-10-06

Stepping motor driving system, information recording and reproducing device, and stepping motor driving method

#53
20050146303
2005-07-07

Stepping motor drive device and method

#54
20050134211
2005-06-23

Stepping motor drive device and method

#55
20050088134
2005-04-28

Method to reduce midrange resonance during operation of a multi-phase step motor

#56
20050057209
2005-03-17

Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillation

#57
13472176
2019-04-09

Apparatus and methods to damp electromechanical device vibration